52results about How to "Simple dyeing method" patented technology

The present invention discloses process of dyeing silk with dye yam extract, and belongs to the field of fabric dyeing and finishing technology. The process includes dip dyeing silk in dye yam extract liquor, and post-dyeing treatment with mordant of ferrous sulfate, titanium sulfate, copper sulfate, aluminum sulfate, zinc chloride or ferric chloride to obtain different colors. The present invention has the advantages of high color fastness, homogeneous dyeing and environment friendship, and the dyed silk is soft, antiseptic and ultraviolet ray shading.

The invention discloses a knitting wool preparing method with milk fiber and preparing method, which comprises the following steps: 1. preparing mould line with 20-35 percent milk fiber, one or random combination of 65-80 percent silk, yarn, natural silk, cotton, cashmere; 2. washing line; 3. dyeing; adopting one bathing method, one bathing two-step, two bathing two-step to dye; 4. dewatering; 5. drying. The invention improves milk fiber content with excellent rendition and even dyeing and fastening property, which satisfies the need of people.

The invention relates to a biological dye containing prodigiosins. The dye is prepared through mixing prodigiosins, a nonionic and/or ionic surfactant compound agent and zirconium beads with a mass ratio of 1:0.2:100, and a dispersion system has a mean particle size of less than 1 mum in water. The biological dye is mainly suitable for dying various chemical fibers. Dyed fabrics have the characteristics of good washing fastness and rub fastness, and brilliant color, and also have a favorable anti-bacterium performance with an anti-bacterial rate of more than 90%. The dye, which has the advantages of simple extraction technology, ecological environmental protection and convenient preparation, is the biological dye with good performances and has a good application prospect.

The invention discloses an improved method for locating endogenous hormone IAA in bamboo plant tissue, ans aims to improve the existing immunogold-silver staining method. TBS is used as a buffer solution and solvent in the experiments to substitute PBS, TBS does not generate precipitate with calcium ions, and has extremely low interference on biological reaction, thus reduce some nonspecific coloration background interference and improve the accuracy of the results; by adding gelatin in the color liquid, chromogenic time is basically controlled in 15-20 min, and time is enough to check the chromogenic level in the chromogenic period, so as to obtain good repetition rate; and incubation of secondary antibody at room temperature shortens the reaction time. The method of the invention not only streamlines reaction steps, and has mild reaction conditions and easy control of coloration, can obtain more elegant and accurate image, and has good application and popularization value in the immune localization of bamboo plant endogenous hormone.

The invention belongs to the technical field of dyeing and finishing and relates to an auxiliary-free dyeing method by use of a disperse dye. The auxiliary-free dyeing method by use of the disperse dye comprises the following steps: (1) taking a high temperature resistant container, putting disperse dye and water into the container and sealing the disperse dye and the water in the container by use of a microporous membrane; (2) putting the sealed container into a dye vat for high-temperature and high-pressure dyeing, meanwhile, putting fibers (polyester fibers, acrylic fibers, polyamide fibers, polyurethane fibers, polypropylene fibers and the like) into the dye vat, dyeing the fibers by use of a high-temperature and high-pressure dyeing method, and then washing with water; (3) cooling the dye liquor in the container to room temperature and recovering the disperse dye by use of a suction filtration method. The auxiliary-free dyeing method by use of the disperse dye is simple in process and convenient to operate; no any auxiliary needs to be added during dyeing and the pollution to the auxiliary and the pollution to water caused by the auxiliary during dyeing are avoided, the sewage treatment difficulty is reduced, and the effects of energy conservation and environmental protection are achieved; besides, the dye in the residual liquor can be recycled.

The invention discloses a method for dyeing a grass cloth painting by tea soups, and the method comprises the following steps of: spraying by the tea soup of green tea, spraying by the tea soup of oolong tea, rendering by the tea soup of the green tea, rendering by the tea soup of Pu'er tea, supplementing dye for a main structure line and an outline, locally dyeing, and the like, thereby obtaining the grass cloth painting dyed by the tea soups. According to the method, a perfect combination between tea ceremony and the grass cloth painting is realized; the grass cloth painting is naturally dyed, and has an extremely high artistic value and market space.

The invention discloses a video dyeing method based on a Gabor feature space. The video dyeing method based on the Gabor feature space comprises creating a rotation invariant Gabor filter and a Gabor feature space by using the texture feature of a video and generating Gabor current of the video and choosing keys. The keys are firstly to be dyed and then the color of the keys is spread between video frames according to a computed result of the Gabor current. Users can modify the color of a part where a high error of dyeing effect exists through an interactive operation. The video dyeing method based on the Gabor feature space is simple, easy to use, applicable to all kinds of video data with regional textures, capable of being completed on a graphics hardware graphics processing unit (GPU) platform, and fast in operation speed.

The invention relates to a dyeing method for silkworm chrysalis protein and propylene graft copolymerization fiber, and its characteristic: adopting positive ion dye to dye them on the condition of adding DCP level dyeing agent, where the components of the level dyeing agent: C12-C18 alkyl dimethyl benzyl ammonium chloride, fatty alcohol polyoxyethylene (20-35), sorbitol fatty acid ester (C11H23COOC6H8(OH)5) and water. Before dyeing, it uses oxydol to bleach the fiber. The dyeing method is simple and the finished product has good homochromy and chroma.

The invention discloses a rapid dyeing method of a liquid dye for a suede ultrafine fiber synthetic leather. The method comprises the following steps: (1) dipping a reduced ultrafine fiber synthetic leather base fabric in a treatment fluid, and padding, wherein the treatment fluid comprises the following components in parts by weight: 1 part of liquid dye, 0.2-1 part of emulsifier, 0.25-0.5 part of dispersing agent, 0.2-0.5 part of penetrating agent and 50-100 parts of deionized water; and the liquid dye is a mixed solution of a metal complex dye and alcohol or butyl ester at a ratio of 1:2. According to the invention, the treatment fluid is a water-soluble dye solution having very strong permeability and can rapidly permeate the base fabric; a normal-temperature padding method can be used for dyeing; and the dyed ultrafine fiber leather has high dry/wet rubbing fastness and soaking fastness.

The invention provides a method for dyeing bamboo fiber by use of sweet potato leaves, and relates to the field of plant dyes. The method comprises the following steps: smashing the sweet potato leaves, and then adding in 0.5 mol/L of disodium hydrogen phosphate solution, wherein the mass ratio of the sweet potato leaves to the disodium hydrogen phosphate solution is 1:45, continuously warming to 45 DEG C in the stirring process, keeping the temperature for 35min, filtering to obtain filtrate A and filter residue A; adding the filter residue in 0.4mol/L of disodium hydrogen phosphate solution, continuously warming to 50 DEG C in the stirring process, keeping temperature for 40min, filtering to obtain the filtrate B; combining the filtrate A and the filtrate B, regulating pH value to 5.5; putting the wetted bamboo fiber into the mixed solution to dye, taking out, and then centrifuging to remove the redundant mixed solution on the surface of the bamboo fiber, naturally air-drying to obtain the product. The natural pigments taking the green pigment and the black pigment as the majority are extracted from the sweet potato leaves, more coloring materials are extracted from the plant by use of the disodium hydrogen phosphate solution, the prepared dye is good in dyeing effect on the bamboo fiber and hard to fade; the dyeing method is simple, safe and environment-friendly.

The invention belongs to the technical field of carpet production, and particularly discloses a production technology for a PV velvet bedroom carpet. A suspending fabric cutter is fixedly connected with an intermittent conveying mechanism, and PV velvet can be intermittently conveyed to a cutter part, so that the shape of the PV velvet after cutting is consistent; after cutting, the bottom of thePV velvet adheres to the surfaces of rubber plates with the height of 1 cm slightly smaller than PV through glue, the rubber plates with the height of 1 cm can prevent water seeping from a floor fromflowing into PV velvet, and if water flows to the PV velvet for a long time, the PV velvet can easy rot; the rubber plates are made from a flexible material, noises generated from walking can be reduced, and the flexibility of the carpet is improved; the rubber plates in a trapezoid convex tooth shape are beneficial for splicing and clamping of the carpet, the carpet can be conveniently replaced,cleaned and aired, the certain fixing effect is achieved, and it can be avoided that the carpet slips. The suspending fabric cutter is used and comprises a frame body and a base, and through swing cutting of a cutter and the arc surface design of the edge of the cutter, the fabric can be cut more flat.

The invention relates to a cotton cloth dyeing method which comprises the following steps: (1) preparing a dye solution; (2) dyeing; (3) fixing color; (4) rinsing and ironing. The cotton cloth dyeing method is simple and uses a vegetable dye. When the method is used and waste liquid is treated, toxic substances cannot be generated, and garbage is easily treated and cannot produce pollution. The cotton cloth is bright in color and cannot fade after being dyed.

The invention belongs to the medical field, providing an acetal phosphatide dyeing reagent group for a bone marrow smear and an application method thereof, wherein the reagent group using HgCl2 as the fixture and the Schiff reagent as the dyeing solution includes following reagents: the HgCl2 solution, the Schiff reagent, the sulfite water solution and the Mayer brazilein solution; the steps of the application method are as follows: (1) the bone marrow smear is fixed by the HgCl2; (2)the bone marrow smear is washed by distilled water; (3) the bone marrow smear is dyed by the Schiff reagent and washed by the sulfite water solution; (4) the bone marrow smear is dyed again by the Mayer brazilein solution and washed by flowing water; (5) the judgment of the dyeing result is as follows: cytolymph which is red is positive, and cytolymph which is not dyed is negative. The dyeing method of the invention has the advantages of easy realization, convenient observation of the dyeing result and extremely high specificity, and is an effective method for judging megakaryocytes in the acute leukemia M7 and other leukemia cells.

The invention discloses a dyeing process with a deodorization function. The dyeing process mainly comprises the following steps: (1) selecting blank cloth according to the size; (2) adding 5g/L-7g/L guanidine antibacterial agent, 5g/L-6g/L hydrogen peroxide, 15g/L-20g/L and water into a dyeing cylinder I, stirring, and mixing for later use; (3) loosing the blank cloth selected in the step (1) by virtue of a cloth loosing machine, dipping the blank cloth into a solution in the step (2), and standing for 10-15 minutes; (4) taking out the blank cloth in the step (3), cleaning, putting the blank cloth into a drying tank, and drying; (5) adding prepared active dispersed dye solution into a dyeing tank II, adding a deodorization agent, and uniformly mixing and stirring; and (6) putting the blankcloth dried in the step (4) into the drying tank II, and carrying out dyeing for 25-45 minutes. By utilizing the guanidine antibacterial agent in the dyeing process, the antiviral, sterilization andcooling functions are realized; and by utilizing the deodorization agent, the dyeing process is strong in practicability and suitable for being widely popularized.

The invention discloses an ether alcohol type carrier dyeing method for polyimide fibers and fabric, and belongs to the field of textile printing and dyeing aids and textile dyeing and finishing. The ether alcohol type carrier dyeing method comprises the following steps: (1) pre-treating polyimide fiber fabric to remove throwing and impurities attached on fabric in a weaving process and a storage process; (2) providing certain color yield on the fabric by carrier dyeing; and (3) washing, soap boiling and washing the dyed fabric to remove flooding when dyeing. According to the ether alcohol type carrier dyeing method disclosed by the invention, the polyimide fabric is dyed under a high-temperature condition through a carrier and cationic dyes, the fabric has certain color yield, and the dyed fabric has relatively high color fastness to washing.